The Klutzmobile is actually one of 6 Shelby Cobra Daytona coupes, made to defeat Ferarri in the '64/'65 World Sportscar Championship (which it did). The most recent sale of one of these at auction in 2015 was for $7.25 million.
Micky Dolenz had a real-life stint working as a mechanic between acting jobs, before he was cast in this show.
Both the British and German racing teams are a cross between Those Daring Young Men in Their Jaunty Jalopies (1969) and Chitty Chitty Bang Bang (1968)
Listed as "Leave The Driving To Us" on the Blu-ray version.
The car used for TN Crumpet is Dean Jeffries "Mantaray". It was originally built for the 1964 show car circuit. It was also in the movie Bikini Beach (1964).
Valerie Kairys: One of the series' repeat bit players is the girl who has to give up her skirt to make the racing flag.